【Javascript】 九九掛算表をつくる
JavaScriptを用いて九九掛算表をつくります
実行例(ソース)
<!DOCTYPE html> <html lang="ja"> <head> <meta charset="UTF-8"> <title>九九</title> <style> table{ border-collapse:collapse; } th,td{ border: solid 1px #666; width: 50px; } td{ text-align: center; } th{ background: #CCC; } </style> </head> <body> <table> <tr> <th></th><th>1</th><th>2</th><th>3</th><th>4</th><th>5</th><th>6</th><th>7</th><th>8</th><th>9</th> </tr> <script> for ( var i = 1; i <=9 ; i++){ document.write('<th>' + i + '</th>'); for ( var j = 1; j <=9 ; j++){ document.write('<td>' + i * j + '</td>'); } document.write('</tr>'); } </script> </table> </body> </html>